Features

• Primary-side feedback eliminates opto-isolators and simplifies design
• Quasi-resonant operation for highest overall efficiency and low EMI
  
• Up to 130 kHz switching frequency enables small size
  
• Very tight LED constant current regulation
  
• Built-in output constant-current control with primary-side feedback for LED driver.
  
• Low start-up current (10 μA typical)
  
• Built-in soft start
  
• Built-in short circuit protection and output overvoltage protection
  
• Current sense resistor short protection
  
• Over-temperature Protection
  
• Open circuit protection
  
• Universal input range from 85 Vac to 264 Vac
  
• Single-fault protection
  
• Small input bulk capacitor
  
• Long MTBF
  
• High efficiency

Application

• Solid State LED lighting for incandescent, halogen, and fluorescent tube replacement